diff --git a/lib/krb5/keyblock.c b/lib/krb5/keyblock.c
index 4aa66df8c..70378b64e 100644
--- a/lib/krb5/keyblock.c
+++ b/lib/krb5/keyblock.c
@@ -39,13 +39,21 @@
 #include "krb5_locl.h"
 
 void
-krb5_free_keyblock(krb5_context context,
-		   krb5_keyblock *keyblock)
+krb5_free_keyblock_contents(krb5_context context,
+			    krb5_keyblock *keyblock)
 {
     memset(keyblock->keyvalue.data, 0, keyblock->keyvalue.length);
     krb5_data_free (&keyblock->keyvalue);
 }
 
+void
+krb5_free_keyblock(krb5_context context,
+		   krb5_keyblock *keyblock)
+{
+    krb5_free_keyblock_contents(context, keyblock);
+    free(keyblock);
+}
+
 krb5_error_code
 krb5_copy_keyblock_contents (krb5_context context,
 			     const krb5_keyblock *inblock,